[S390] dasd: enable compat ioctls

All of the ioctls are compatible. Just enable them.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2 files changed, 16 insertions, 4 deletions

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 08c23a92101..93972ed7f2d 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -2101,7 +2101,8 @@ dasd_device_operations = {
         .owner          = THIS_MODULE,
         .open           = dasd_open,
         .release        = dasd_release,
-        .locked_ioctl   = dasd_ioctl,
+        .ioctl          = dasd_ioctl,
+        .compat_ioctl   = dasd_ioctl,
         .getgeo         = dasd_getgeo,
 };
 
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index b82d816d9ef..16e6ba462cb 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -365,9 +365,9 @@ static int dasd_ioctl_readall_cmb(struct dasd_block *block, unsigned int cmd,
         return ret;
 }
 
-int
-dasd_ioctl(struct block_device *bdev, fmode_t mode,
-           unsigned int cmd, unsigned long arg)
+static int
+dasd_do_ioctl(struct block_device *bdev, fmode_t mode,
+              unsigned int cmd, unsigned long arg)
 {
         struct dasd_block *block = bdev->bd_disk->private_data;
         void __user *argp = (void __user *)arg;
@@ -420,3 +420,14 @@ dasd_ioctl(struct block_device *bdev, fmode_t mode,
                 return -EINVAL;
         }
 }
+
+int dasd_ioctl(struct block_device *bdev, fmode_t mode,
+               unsigned int cmd, unsigned long arg)
+{
+        int rc;
+
+        lock_kernel();
+        rc = dasd_do_ioctl(bdev, mode, cmd, arg);
+        unlock_kernel();
+        return rc;
+}